At 07:21 AM 2/23/05 -0800, David Bermingham wrote:
>I was messing with a Keil MCB2100 board and made the
>mistake of clearing PINSEL2 register with all zero's.
>It was only after that I noticed in the user manual
>that clearing this bits can cause the loss of debug!!!
>
>Anyway, keil seems to come up with a JTAG DEVICE NOT
>FOUND since I did this and no matter what I try I
>cannot get it to connect.
>
>Any ideas how I fix it?
Serial ISP download to overwrite the troublesome program (or even just
erase the chip)?
As I recall from other posts (perhaps incorrectly) you can get a JTAG link
if you manage to connect before the program runs but that may be a bit of
an issue.
Robert
" 'Freedom' has no meaning of itself. There are always restrictions,
be they legal, genetic, or physical. If you don't believe me, try to
chew a radio signal. "
Kelvin Throop, IIIMessage
Re: [lpc2000] ULINK Problem
2005-02-23 by Robert Adsett
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